four online daters. >> these events are allowing certain apps to stand out. >> reporter: tonight shanshanndy warehouse dinner party, hoisted by the league. >> i decided to join the league because a friend of mine told me about this app where everybody was very smart, career driven and vetted. so i downloaded it, and i was put on a wait list. i eventually got in. and it was exactly what i thought it would be. today's matches with jay, he seems fun. he has a puppy so i'll say yes. and it's a home run. that means he matched with me. >> reporter: while some app daters might think dating irls seems old school, she thinks it makes perfect sense, helping her narrow in on a potential love interest. >> in real life, people look different than think do in pictures. and you can see someone's vibe. you can see the way they treat people. you can see the way they interact with you, the way they look at you. and those are such huge things that makes me like someone. >> reporter: as the event kicks off with a cocktail hour, the alcohol and the conversations start to flow. for the apps, these events are a